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Random Thursday

It's time to return to That's a Fact Jack: A Collection of Utterly Useless Information [Updated] by Harry Bright and Jakob Anser! Truly this book is remarkable! The total randomness of these factoids is just amazing!

(image borrowed from Wikipedia)

"A theorem of algebraic topology known as the hairy ball theorem states that a field of hair cannot be combed flat at every point on a sphere. In other words, every hairy ball has its cowlick."

That's just weird. And random!

(image borrowed from phys.org)

"Light can be slowed down, stopped, and restarted. Researchers do this by cooling an atom cloud down to a billion times colder than the spaces between stars. Because light has no mass, when it stops moving, it ceases to exist."

Uhh....

(image borrowed from Conversation International)

"At -90 [degrees] Fahrenheit, your breath will freeze in midair and fall to the ground."